Date: Mon, 22 May 2000 13:55:24 -0700 (PDT) From: Doug Barton <Doug@gorean.org> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: NFS server problems on 3.4-S, any interest? Message-ID: <Pine.BSF.4.21.0005221350270.25991-100000@dt051n0b.san.rr.com> In-Reply-To: <200005222032.NAA62259@apollo.backplane.com>
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On Mon, 22 May 2000, Matthew Dillon wrote: > :>From the workstation: > :Name Mtu Network Ipkts Ierrs Opkts Oerrs Coll Drop > :fxp0 1500 <Link#1> 32102492 0 31653667 0 30900 0 > : > :>From the fileserver: > :Name Mtu Network Ipkts Ierrs Opkts Oerrs Coll Drop > :xl0 1500 <Link> 32504173 28967 32900227 0 0 0 > : > : I did find it a little unusual that I was getting collisions on a > :crossover cable, but when I looked at the mail archives related to that > :problem I read that the intel cards are very aggressive packet pushers, > :and that this isn't all that unusual. The ratio of good packets to > :collisions seemed healthy enough to not warrant too much concern. > > 28967 input errors on xl0? Problem! heh... ok, I can take a hint. > But the real problem is that you are attempting to do 10BaseT > full-duplex. Full-duplex operation with 10BaseT is problematic > at best. Full duplex has good interoperability at 100BaseTX speeds, > but not at 10BaseT speeds. Ok, I learned something new. :) I've had "get another fxp0 and a real switch" for the home network on my list for a while now, I guess it's time to move that up a little. > Crossover cables work fine, usually, but I personally *never* use them. > I always throw a switch in between the machines and let it negotiate > the duplex mode with each machine independantly, plus it gives me nice > shiny LEDs that tell me what the switch thinks the port is doing as > a sanity check. Yeah, I miss the blinky lights. I went to the x-over cable because the hub I bought originally was giving me non-stop collisions under load. It worked really well for about 5 months, then the last couple months it's given me problems. I'm still learning the whole networking thing, so I appreciate the insight. Doug -- "Live free or die" - State motto of my ancestral homeland, New Hampshire Do YOU Yahoo!? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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